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Finding the Fourth Proportional to 69,447.60, 104,025.60 and 57,783.60

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Solution

The fourth proportional to 69,447.60, 104,025.60 and 57,783.60 is: 86,554.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,447.60 : 104,025.60 = 57,783.60 : x
  2. Step 2: Convert to fraction form
    69,447.60/104,025.60 = 57,783.60/x
  3. Step 3: Cross multiply
    69,447.60x = 104,025.60 × 57,783.60
  4. Step 4: Simplify right side
    69,447.60x = 6,010,973,660.16
  5. Step 5: Solve for x
    x = 6,010,973,660.16/69,447.60
  6. Step 6: Final answer
    x = 86,554.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.